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FEM solution of a dynamic elastoplastic problem of fracture mechanics. 2. Supercritical crack propagation

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Abstract

A method of algorithm of numerical analysis of supercritical crack growth are proposed. They make it possible to determine the release of elastic energy and the rate and direction of crack growth with an allowance made for residual stresses. Crack growth was simulated by means of finite elements with special properties. The results of calculations carried out using this algorithm were compared with analytical dependences and experimental data on crack propagation with constant and variable rate.

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Authors and Affiliations

  1. Central Scientific Research Institute of Structural Materials “Prometei”, Leningrad

    V. I. Kostylev & V. Z. Margolin

Authors
  1. V. I. Kostylev
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  2. V. Z. Margolin
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Additional information

Translated from Problemy Prochnosti, No. 7, pp. 12–19, July, 1990.

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Kostylev, V.I., Margolin, V.Z. FEM solution of a dynamic elastoplastic problem of fracture mechanics. 2. Supercritical crack propagation. Strength Mater 22, 943–953 (1990). https://doi.org/10.1007/BF00767538

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  • DOI: https://doi.org/10.1007/BF00767538

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